title: Simple, rapid and label-free colorimetric assay for Zn2+ based on unmodified gold nanoparticles and specific Zn2+ binding peptide.
abstract: A simple strategy based on unmodified AuNPs and specific Zn(2+) binding peptide is exploited here as a new label-free mechanism for the rapid colorimetric Zn(2+) assay.
authors.affiliation: State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, PR China.
authors.forename: Wang
authors.initials: W
authors.lastname: Li
authors.forename: Zhou
authors.initials: Z
authors.lastname: Nie
authors.forename: Kaiyu
authors.initials: K
authors.lastname: He
authors.forename: Xiahong
authors.initials: X
authors.lastname: Xu
authors.forename: Yong
authors.initials: Y
authors.lastname: Li
authors.forename: Yan
authors.initials: Y
authors.lastname: Huang
authors.forename: Shouzhuo
authors.initials: S
authors.lastname: Yao
mesh_terms: D000595:Amino Acid Sequence; D002352:Carrier Proteins / Q000737:chemistry*; D003116:Color; D003124:Colorimetry / Q000379:methods*; D006046:Gold / Q000737:chemistry*; D053768:Metal Nanoparticles / Q000737:chemistry*; D010455:Peptides / Q000737:chemistry*; D013379:Substrate Specificity; D013997:Time Factors; D015032:Zinc / Q000032:analysis*
chemical_list: D002352:Carrier Proteins; D010455:Peptides; C017800:zinc-binding protein; D006046:Gold; D015032:Zinc